Home / 680,128,718,345.15-1,020,336,357,583.50-220,627,509,434.04

Finding the Fourth Proportional to 680,128,718,345.15, 1,020,336,357,583.50 and 220,627,509,434.04

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Solution

The fourth proportional to 680,128,718,345.15, 1,020,336,357,583.50 and 220,627,509,434.04 is: 330,987,742,888.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,128,718,345.15 : 1,020,336,357,583.50 = 220,627,509,434.04 : x
  2. Step 2: Convert to fraction form
    680,128,718,345.15/1,020,336,357,583.50 = 220,627,509,434.04/x
  3. Step 3: Cross multiply
    680,128,718,345.15x = 1,020,336,357,583.50 × 220,627,509,434.04
  4. Step 4: Simplify right side
    680,128,718,345.15x = 225,114,269,358,647,658,151,936
  5. Step 5: Solve for x
    x = 225,114,269,358,647,658,151,936/680,128,718,345.15
  6. Step 6: Final answer
    x = 330,987,742,888.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.